| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| // |
| // Tests optimization: transform double.toInt() to DoubleToSmi |
| // unless we encounter a non-Smi result, in which case we deoptimize and |
| // optimize it later to DoubleToInt. |
| |
| // @dart = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| main() { |
| for (int i = 0; i < 600; i++) { |
| Expect.equals(100, foo(100, 1.2)); |
| } |
| // Deoptimize 'foo', d2smi -> d2int. |
| Expect.equals(36507222016 * 2, foo(2, 36507222016.6)); |
| for (int i = 0; i < 600; i++) { |
| Expect.equals(100, foo(100, 1.2)); |
| } |
| Expect.equals(36507222016 * 2, foo(2, 36507222016.6)); |
| } |
| |
| foo(n, a) { |
| int k = 0; |
| for (int i = 0; i < n; i++) { |
| k += goo(a); |
| } |
| return k; |
| } |
| |
| goo(a) { |
| return a.toInt(); |
| } |